Gulf, human toll high as Isaac moves on

Residents of the Cambridge Neighborhood in LaPlace Louisiana Wednesday Aug. 29, 2012 evacuate their neighborhood. The state sent scores of buses and dozens of high-water vehicles to help evacuate about 3,000 people from St. John the Baptist Parish after Tropical Storm Isaac pushed water from lakes Pontchartrain and Maurepas into parts of LaPlace. (AP Photo/Arthur D. Lauck, The Advocate)

A house at the corner of N. Miro and Columbus Streets in New Orleans collapsed during the height of the Hurricane Isaac destroying three vehicles that where parked alongside it, Wednesday, Aug. 29, 2012. (AP Photo/The Times-Picayune, David Grunfeld)

Pearlington, Miss., residents are brought out of their flooded community by law enforcement officers and first responders using boats, Wednesday, Aug. 29, 2012, during the nonstop rain from Isaac. A number of residents of the small community were trapped by the rising waters and had be rescued or waited until the low tide when waters receded so they could walk out. (AP Photo/Rogelio V. Solis)

St. John the Baptist Parish sheriff's deputies evacuate residents from the River Forest subdivision in LaPlace, La. as wind-driven tides flood the neighborhood Wednesday, Aug. 29, 2012. Isaac arrived exactly seven years after Hurricane Katrina and passed slightly to the west of New Orleans, where the city's fortified levee system easily handled the assault. (AP Photo/The Times-Picayune, Brett Duke) MAGS OUT; NO SALES; USA TODAY OUT

A sherriff's vehicle sits in flood waters caused by Isaac, Thursday, Aug. 30, 2012, north of LaPlace, La, off Lake Pontchartrain. Isaac's maximum sustained winds had decreased to 45 mph and the National Hurricane Center said it was expected to become a tropical depression by Thursday night. The storm's center was on track to cross Arkansas on Friday and southern Missouri on Friday night, spreading rain as it goes. (AP Photo/Eric Gay)

Matt Landry of St. Bernard Parish carries Sharon Sylvia, who is diabetic, across the top of the Mississippi River levee as Isaac moves through New Orleans Wednesday, Aug. 28, 2012. Jeff Sancho, far left, with the Air National Guard, carries Sylvia's medicines. (AP Photo/The Times-Picayune, Chris Granger) MAGS OUT; NO SALES; USA TODAY OUT

Charles Sanders, left, of Belle Chasse, La., Carroll Rogers, right, of Buras, La., chat at an evacuation shelter after Isaac made landfall as a Hurricane, in Belle Chasse, La., Wednesday, Aug. 29, 2012. Plaquemines Parish ordered a mandatory evacuation for the west bank of the Mississippi below Belle Chasse because of worries about a storm surge. The order affected about 3,000 people, including a nursing home with 112 residents. (AP Photo/Gerald Herbert)

Matt Landry of St. Bernard Parish, center, and Jeff Sancho, with the Air National Guard, right, assist Sharon Sylvia, who is diabetic, into a vehicle as Isaac moves through New Orleans Wednesday, Aug. 28, 2012. (AP Photo/The Times-Picayune, Chris Granger) MAGS OUT; NO SALES; USA TODAY OUT

Louisiana Gov. Bobby Jindal visits volunteers, media, and residents as the Riverbend Nursing Center is evacuated, Wednesday, Aug. 29, 2012, in Jesuit Bend, La. Plaquemines Parish ordered a mandatory evacuation for the west bank of the Mississippi below Belle Chasse because of worries about a storm surge. The order affected about 3,000 people, including residents of the nursing home. (AP Photo/Eric Gay)

Against the advice of authorities, young people frolic in the high surf on the Lake Pontchartrain lakefront in Mandeville, La. as Isaac batters the north shore with high winds and high tides, Wednesday Aug. 29, 2012. (AP Photo/The Times-Picayune, Ted Jackson) MAGS OUT; NO SALES; USA TODAY OUT

Melissa Metzler walks out of the Cambridge Neighborhood in LaPlace Louisiana Wednesday Aug. 29, 2012 carrying her two year old daughter Brianna. The state sent scores of buses and dozens of high-water vehicles to help evacuate about 3,000 people from St. John the Baptist Parish after Tropical Storm Isaac pushed water from lakes Pontchartrain and Maurepas into parts of LaPlace. (AP Photo/Arthur D. Lauck, The Advocate)

Keilani Brown who is 8 months pregnant is rescued from her home on a air bed from the Cambridge Neighborhood in LaPlace, Louisiana with help from Walker Russell, back. The state sent scores of buses and dozens of high-water vehicles to help evacuate about 3,000 people from St. John the Baptist Parish after Tropical Storm Isaac pushed water from lakes Pontchartrain and Maurepas into parts of LaPlace. (AP Photo/Arthur D. Lauck, The Advocate)

Helen Blouin holds on tight to Sgt. Julius Cage with the Louisiana National Guard as she is off loaded at a shelter in La Place, Louisiana. The state sent scores of buses and dozens of high-water vehicles to help evacuate about 3,000 people from St. John the Baptist Parish after Tropical Storm Isaac pushed water from lakes Pontchartrain and Maurepas into parts of LaPlace. (AP Photo/Arthur D. Lauck, The Advocate)

Residents of the Cambridge Neighborhood of LaPlace Louisiana flee rising flood waters associated with Hurricane Isaac Wednesday Aug. 29, 2012. The state sent scores of buses and dozens of high-water vehicles to help evacuate about 3,000 people from St. John the Baptist Parish after Tropical Storm Isaac pushed water from lakes Pontchartrain and Maurepas into parts of LaPlace. (AP Photo/Arthur D. Lauck, The Advocate)

Danessa Lee, left, comforts her granddaughter Ashanti Lee, 12, after their family was rescued in Pearlington, Miss., by law enforcement officers and first responders using boats, Wednesday, Aug. 29, 2012, during the nonstop rain from Isaac. A number of residents of the small community were trapped by the rising waters and had be rescued or waited until the low tide when waters receded so they could walk out. (AP Photo/Rogelio V. Solis)